Update qTip2 to latest version
Bump version number
Add uglifier gem

Fix error: rake aborted! cannot load such file -- uglifier
See rake assets:precompile aborting, can't push to heroku http://stackoverflow.com/questions/11444998/rake-assetsprecompile-aborting-cant-push-to-heroku
Allow Rails to serve static assets in production mode

See rails 3.1.3: trying to run locally in production, asset pipeline not working http://stackoverflow.com/questions/10098743/rails-3-1-3-trying-to-run-locally-in-production-asset-pipeline-not-working